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Finding the Fourth Proportional to 92,389.60, 127,497.54 and 49,948.12

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Solution

The fourth proportional to 92,389.60, 127,497.54 and 49,948.12 is: 68,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,389.60 : 127,497.54 = 49,948.12 : x
  2. Step 2: Convert to fraction form
    92,389.60/127,497.54 = 49,948.12/x
  3. Step 3: Cross multiply
    92,389.60x = 127,497.54 × 49,948.12
  4. Step 4: Simplify right side
    92,389.60x = 6,368,262,427.62
  5. Step 5: Solve for x
    x = 6,368,262,427.62/92,389.60
  6. Step 6: Final answer
    x = 68,928.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.